*::after, *::before {
  box-sizing: border-box;
}

*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  scroll-behavior: smooth;
}

.sec {
  position: relative;
  background: #111;
  min-height: 100vh;
}

body {
  width: 100%;
  min-height: 100vh;
  overflow: hidden;
}

.star {
  position: relative;
  color: #222;
}

.star::before {
  content: '\f005';
  font-family: fontAwesome;
}

.star.animate {
 color: #0f0;
 text-shadow: 0 0 5px #0f0,
  0 0 20px #0f0,
  0 0 50px #0f0;
}